island-guy said:Are they already converted to 1x Advanced? This will be a decision maker for me come October.....Will 1x Advanced allow simultaneous data/talk as well?

No, 1x Advanced doesn't allow simultaneous data/talk. However, SVDO does and from the FCC docs it appears the the Evo LTE is SVDO enabled just like the LG Viper which indeed does simultaneous data/talk.